In the past, the main form of entertainment to people is sports, theatre and the But now, our main way of leisure entertainment is surfing the Internet and playing video In the past, our main communication way is to write letters, telegrams and But now, our main communication way is calling a mobile phone, e-mail and text messages, chat In the past, our main mode of writing is the But now,our main of writing is the computer So the modern science and technology to change people's